DSS Eurocom 612, Инструкция по установке и программированию

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S e c t i o n 5 - M a i n t e n a n c e
65
Outgoing calls do not get through
Check that the line or host PABX extension is set for tone (DTMF) dialling if the extension you are
using is DTMF. If the external line is pulse signalling then the extension must be pulse mode and
vice versa. Check also that call barring class 5 (no outgoing calls allowed) is not assigned.
Other ISDN equipment will not work with the telephone system
Check the polarity of the connectors on the MDF to Figure 4-7 on page 60. Ensure that your ISDN
access is configured as 'Point to Multipoint', your network operator will provide this information
with the ISDN line.
PC program status display
The PC program allows the user or installation engineer to see the status of all extensions, exchange
lines, and system programming on one screen. While the PC program has control then it is not
possible to carry out system programming from extension 13.
The phone rings back when the handset is replaced
The hook switch contacts may be bouncing and simulating a hook-flash before hanging up properly.
Try setting the extension as DTMF only and programming the recall time window to eliminate the
problem. See ‘DTMF Extensions’ on page 39 for programming details.
Music on hold is not audible
Dial the code *9 PIN 151 # at extension 13 to enable external music through the music jack. Code
*9 PIN 150# cancels this and the system operates with a hold tone.
Unable to transfer calls to an extension
Check that the extension involved has not been assigned call barring class 5, which prevents transfer
of exchange line calls to the extension from another extension with a different class of service. Check
that if an Executive or Standard Terminal had been used previously that the correct setting was then
entered for single line telephone operation. Press *7 50 extension # and ring the extension from
another phone to check this. Also check that the time break button (R) is set for a 100 ms break (if it
is 200, or 600 ms) then the hold and transfer function will not operate.
There are ‘silent’ calls on extensions
Incoming callers who are trying to send a fax are not pressing the START button after the tone or
message and the fax switching has timed out and caused a general call. Check that the recorded
message gives a clear instruction. Also, some older fax machines may not send CNG tone and this
causes ‘silent’ incoming fax calls which need to be transferred manually to the fax machine. NOTE:
This is not a limitation of this telephone system.
External call forwarding / trunk-trunk transfer breaks down
This is because there is a time limit of 30 seconds allowed for external call forwarding and trunk-
trunk transfer. A warning tone will be heard 10 and 5 seconds before this happens, either user may
extend the call by pressing digits 1 to 9, to increase the call time in multiples of 30 seconds. E.g.
pressing '4' will increase the call length by 2 minutes before it is cut off.
PC program or printer do not operate
Verify that the PC and printer are correctly wired – see page 58. The printer must be a serial printer
(4800 baud setting). To send the data to a printer enter *8 251# at extension 13. To connect to a PC
dial *8 250# at extension 13.
Check that there is no COM port conflict with other devices such as modems on the PC. The
default pin code for the PC program is 7373 and the menu allows you to select a COM port setting
under the GENERAL PARAMETERS menu choice, selecting then FACTORY DEFAULT when
prompted.